JPH05200214A - Filter housing - Google Patents

Abstract

(57) [Summary] [Purpose] The liquid and filter can be replaced without spilling the liquid to the outside. [Structure] By providing an inlet 8 for introducing liquid on the upper surface of the housing and an outlet 9 for discharging liquid on the lower surface of the housing, the lower part of the housing from which the liquid is simply discharged can be removed without removing the piping. This allows the filter 4 to be replaced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid filter, and more particularly to a filter housing in which a filter is mounted.

[0002]

2. Description of the Related Art FIG. 2 is a schematic sectional view showing an example of a conventional filter housing. Conventionally, this type of filter housing includes, for example, as shown in FIG. 2, an upper housing 11a in which a liquid inlet 1, a bubble outlet 2 and a liquid outlet 3 which are connected to respective pipes are formed on one surface, and the upper housing 11a. It has a lower housing 11b attached to 11a and a filter 4 attached inside these housings.

The flow of the liquid in the filter housing is first filtered by the liquid flowing from the pipe 5 passing through the liquid inlet 1 into the filter housing and passing from the outer periphery of the filter 4 to the inner portion. To be done.
Then, it flows out through the liquid outlet 3 and the pipe 7 to the outside.
On the other hand, the air mixed with the liquid in the filter housing is discharged to the outside through the bubble removal port 2 and the pipe 7.

Further, the filter 4 in the filter housing
Must be replaced regularly, in which case it is necessary to remove the filter housing from each pipe and then divide the filter housing. Furthermore, when replacing with a new filter, it was necessary to fill the inside of the filter housing with liquid.

[0005]

In this conventional filter housing, the filter housing must be removed from the pipe when replacing the filter.

This work is cumbersome and requires a great number of man-hours. Also, in order to replace the pipe without removing it, the lower housing can be removed. In this case, if the liquid filled in the filter housing is a highly acidic or alkaline liquid, parts to be placed around There is a problem that it is dangerous to the human body as well as being placed.

An object of the present invention is to provide a filter housing which can easily exchange liquids and filters without spilling to the outside in order to eliminate such drawbacks.

[0008]

The filter housing of the present invention is divided into an upper housing and a lower housing, and in the filter housing having a built-in filter therein, an injection port for introducing liquid into the surface of the upper housing is provided in the lower housing. A discharge port for discharging the liquid is formed on the surface.

[0009]

The present invention will be described below with reference to the drawings.

FIG. 2 is a schematic sectional view of a filter housing showing an embodiment of the present invention. As shown in FIG. 1, the filter housing includes a gas inlet 8 for venting a liquid and a lid 10a for opening and closing the same, a discharge port 9 for discharging the liquid to the upper surface of the upper housing 11a, and a lid for opening and closing the same. 10b is provided on the lower surface of the lower housing 11b.

Next, the filter replacement procedure for this filter housing will be described. First, the lid 10b of the lower housing 11b is removed, and the liquid inside the filter housing is discharged from the discharge port 9. At this time, air enters the filter housing through the bubble removal port 2. Next, the lower housing 11b is removed, and the filter 4 is subsequently removed. Next, a new filter 4 is attached and the lower housing 11b is attached. Next, new liquid is added through the inlet 8 from which the lid 10a was previously removed. Then, the inlet 10 is closed with the lid 10a containing the required amount of liquid.

By providing the liquid inlet and the liquid outlet in the filter housing as described above, it is unnecessary to remove and install the pipe, which is complicated and takes a long time to remove.

[0013]

As described above, according to the present invention, the liquid inlet is provided on the upper surface of the housing and the outlet for discharging the liquid is provided on the upper surface of the upper housing. Therefore, it is not necessary to remove the piping, which requires a lot of man-hours, and the filter and the liquid can be exchanged without spilling the liquid simply by removing the lower housing.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of a filter housing showing an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view showing a conventional filter housing.

[Explanation of symbols]

 1 Liquid Inlet 2 Bubble Drain 3 Liquid Outlet 4 Filter 5, 6, 7 Piping 8 Inlet 9 Outlet 10a, 10b Lid 11a Upper Housing 11b Lower Housing

Claims (1)

[Claims] 1. A filter housing, which is divided into upper and lower housings and has a filter built therein, has an inlet for introducing liquid into a surface of the upper housing and an outlet for discharging the liquid onto a surface of the lower housing. A filter housing characterized by being formed.